Problem Display
PID: 228154 (8/8/8/8/8/1Q6/3k4/3B1K2 w - - 0 1)

Latzel, Gerhard Paul

Deutsche Schachzeitung, 1968

8/8/8/8/8/1Q6/3k4/3B1K2

#2

3 + 1


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Kc1
      • 2.Qc2#
  • Tries
    • 1.Kg1?
      • 1...Kc1
        • 2.Qc2#
      • 1...Ke1!
    • 1.Kg2?
      • 1...Kc1
        • 2.Qc2#
      • 1...Ke1!
    • 1.Qd3+?
      • 1...Kc1
        • 2.Qc2#
      • 1...Kxd3!
  • Keys
    • 1.Kf2!
      • 1...Kc1
        • 2.Qc2#

This is a version of 228733

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR1(C)


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).